Features: 1Integrated safety pressure valve easy to use and can fill carbon dioxide into a soda bottle. 2The adjustable valve ensures compatibility with any cylinder valve changes. 3TR214 female thread connection ensures that no leakage when connected to the cylinder. 4Selected high-quality aluminum alloy materials safe durable and corrosion-resistant. 5Soda cylinder accessories easy to install suitable for filling carbon dioxide gas. Specification: Item Type: Soda ValveMaterial: Aluminum AlloyColor: SilverInterface: 1/4BSPPFemale Thread: TR21-4Weight: Approx. 81g / 2.9ozHow to Use:1. Use an appropriate wrench to connect the regulating valve to the adapter.2. Hold the cylinder firmly with one hand and fasten the adapter/regulator to the cylinder with a wrench.3. The pin in the adapter will depress the valve on the cylinder and open the gas flow.4. Continue to tighten the adapter on the cylinder. Package List: 1 xSoda Valve1 x Gasket1 x Right Angle Wrench2 x Sealing Ring1 x Screw